diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index bf27375e3b..0000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,162 +0,0 @@
-version: 2
-jobs:
-  codestyle_and_sql:
-    docker:
-      - image: cataclysmpreservationproject/circle-ci:master-base-22.04
-        auth:
-          username: $DOCKERHUB_USERNAME
-          password: $DOCKERHUB_PASSWORD
-      - image: cimg/mysql:8.0
-        auth:
-          username: $DOCKERHUB_USERNAME
-          password: $DOCKERHUB_PASSWORD
-        environment:
-          MYSQL_ALLOW_EMPTY_PASSWORD: yes
-          MYSQL_ROOT_PASSWORD: ''
-          MYSQL_DATABASE: test_mysql
-    steps:
-      - run:
-          name: Checkout
-          command: |
-            /scripts/checkout.sh
-      - run:
-          name: Codestyle checks
-          command: |
-            chmod +x contrib/check_codestyle.sh
-            ./contrib/check_codestyle.sh
-      - run:
-          name: SQL checks
-          command: |
-            chmod +x contrib/check_updates.sh
-            dockerize -wait tcp://127.0.0.1:3306 -timeout 120s
-            mysql -h 127.0.0.1 -uroot < sql/create/create_mysql.sql
-            mysql -h 127.0.0.1 -uroot auth < sql/base/auth_database.sql
-            ./contrib/check_updates.sh auth 4.3.4 auth 127.0.0.1
-            mysql -h 127.0.0.1 -uroot characters < sql/base/characters_database.sql
-            ./contrib/check_updates.sh characters 4.3.4 characters 127.0.0.1
-            echo "Importing world database structure"
-            mysql -h 127.0.0.1 -uroot world < sql/base/dev/world_database.sql
-            echo "Importing hotfixes database structure"
-            mysql -h 127.0.0.1 -uroot hotfixes < sql/base/dev/hotfixes_database.sql
-            echo "Importing world database updates"
-            cat sql/updates/world/4.3.4/*.sql | mysql -h 127.0.0.1 -uroot world
-            echo "Importing hotfixes database updates"
-            cat sql/updates/hotfixes/4.3.4/*.sql | mysql -h 127.0.0.1 -uroot hotfixes
-  pch:
-    docker:
-      - image: cataclysmpreservationproject/circle-ci:master-base-22.04
-        auth:
-          username: $DOCKERHUB_USERNAME
-          password: $DOCKERHUB_PASSWORD
-    steps:
-      - run:
-          name: Checkout
-          command: |
-            /scripts/checkout.sh
-      - run:
-          name: Setup
-          command: |
-            mkdir bin
-            cd bin
-            if [ "$DOCKERHUB_PUSH_IMAGES" == "TRUE" ]; then
-              cmake ../ -DWITH_WARNINGS=1 -DWITH_COREDEBUG=0 -DUSE_COREPCH=1 -DUSE_SCRIPTPCH=1 -DTOOLS=1 -DSCRIPTS=static -DSERVERS=1 -DNOJEM=0 -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS="-Werror" -DCMAKE_CXX_FLAGS="-Werror" -DCMAKE_INSTALL_PREFIX=check_install -DCMAKE_INSTALL_RPATH=\$ORIGIN/../lib -DBUILD_TESTING=1
-            else
-              cmake ../ -DWITH_WARNINGS=1 -DWITH_COREDEBUG=0 -DUSE_COREPCH=1 -DUSE_SCRIPTPCH=1 -DTOOLS=1 -DSCRIPTS=static -DSERVERS=1 -DNOJEM=0 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_FLAGS="-Werror" -DCMAKE_CXX_FLAGS="-Werror" -DCMAKE_C_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_CXX_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_INSTALL_PREFIX=check_install -DCMAKE_INSTALL_RPATH=\$ORIGIN/../lib -DBUILD_TESTING=1
-            fi
-            cd ..
-      - run:
-          name: Build
-          command: |
-            cd bin
-            make -j 4 -k && make install
-      - run:
-          name: Unit tests
-          command: |
-            cd bin
-            make test
-      - run:
-          name: Check executables
-          command: |
-            cd bin/check_install/bin
-            ./bnetserver --version
-            ./worldserver --version
-      - setup_remote_docker:
-          version: 19.03.13
-      - run:
-          name: Create docker images
-          command: |
-            cd bin/check_install
-            cp -r ../../contrib/Docker/* .
-            cp -r ../../sql ./sql
-            image_prefix=$(echo cataclysmpreservationproject/$CIRCLE_PROJECT_REPONAME | tr '[:upper:]' '[:lower:]')
-            echo $image_prefix
-            docker build --file Dockerfile --force-rm --tag $image_prefix:$CIRCLE_SHA1 --tag $image_prefix:$(echo $CIRCLE_BRANCH | tr '/' '-' | tr '[:upper:]' '[:lower:]') .
-            docker save $image_prefix | gzip > ../../docker.tar.gz
-            if [ "$DOCKERHUB_PUSH_IMAGES" == "TRUE" ]; then
-              if [ "$CIRCLE_BRANCH" == "master" ]; then
-                docker login -u $DOCKERHUB_USERNAME -p $DOCKERHUB_PASSWORD
-                echo "Pushing docker image to dockerhub"
-                docker push --all-tags $image_prefix
-              fi
-            fi
-      - store_artifacts:
-          path: docker.tar.gz
-  nopch:
-    docker:
-      - image: cataclysmpreservationproject/circle-ci:master-base-22.04
-        auth:
-          username: $DOCKERHUB_USERNAME
-          password: $DOCKERHUB_PASSWORD
-    steps:
-      - run:
-          name: Requirements
-          command: |
-            sudo mkdir -p /root/.ccache
-            sudo chown -Rv circleci:circleci /root
-      - run:
-          name: Checkout
-          command: |
-            /scripts/checkout.sh
-      - restore_cache:
-          keys:
-            - master-nopch-{{ .Branch }}-{{ .Revision }}
-            - master-nopch-{{ .Branch }}
-            - master-nopch-master
-      - run:
-          name: Setup
-          command: |
-            export CCACHE_MAXSIZE="1G"
-            export CC="ccache clang"
-            export CXX="ccache clang++"
-            export CCACHE_CPP2=yes
-            export USE_CCACHE=1
-            export PATH=/usr/lib/ccache:$PATH
-            export CCACHE_DIR=$HOME/.ccache
-            ccache -z
-            ccache -s
-            git config user.email "circleci@build.bot" && git config user.name "Circle CI"
-            $CXX --version
-            mkdir bin
-            cd bin
-            cmake ../ -DWITH_WARNINGS=1 -DWITH_COREDEBUG=0 -DUSE_COREPCH=0 -DUSE_SCRIPTPCH=0 -DTOOLS=1 -DSCRIPTS=dynamic -DSERVERS=1 -DNOJEM=0 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_FLAGS="-Werror" -DCMAKE_CXX_FLAGS="-Werror" -DCMAKE_C_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_CXX_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_INSTALL_PREFIX=check_install
-            cd ..
-      - run:
-          name: Build
-          command: |
-            cd bin
-            make -j 4 -k && make install
-            ccache -s
-            cd check_install/bin
-            ./bnetserver --version
-            ./worldserver --version
-      - save_cache:
-          key: master-nopch-{{ .Branch }}-{{ .Revision }}
-          paths:
-            - /home/circleci/.ccache
-workflows:
-  version: 2
-  build_all:
-    jobs:
-      - codestyle_and_sql
-      - pch
-      - nopch
diff --git a/.github/workflows/clang-build.yml b/.github/workflows/clang-build.yml
new file mode 100644
index 0000000000..afb8a74f74
--- /dev/null
+++ b/.github/workflows/clang-build.yml
@@ -0,0 +1,34 @@
+name: clang PCH
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: |
+        sudo apt-get update && sudo apt-get install -yq libboost-all-dev clang-11
+        sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-11 100 --slave /usr/bin/c++ c++ /usr/bin/clang++-11
+    - name: Setup
+      run: |
+        mkdir bin
+        cd bin
+        cmake ../ -DWITH_WARNINGS=1 -DWITH_COREDEBUG=0 -DUSE_COREPCH=1 -DUSE_SCRIPTPCH=1 -DTOOLS=1 -DSCRIPTS=static -DSERVERS=1 -DNOJEM=0 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang-11 -DCMAKE_CXX_COMPILER=clang++-11 -DCMAKE_C_FLAGS="-Werror" -DCMAKE_CXX_FLAGS="-Werror" -DCMAKE_C_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_CXX_FLAGS_DEBUG="-DNDEBUG" -DCMAKE_INSTALL_PREFIX=check_install -DBUILD_TESTING=0
+        cd ..
+    - name: Build
+      run: |
+        cd bin
+        make -j 4 -k && make install
+    - name: Unit tests
+      run: |
+        cd bin
+        make test
+    - name: Check executables
+      run: |
+        cd bin/check_install/bin
+        ./authserver --version
+        ./worldserver --version
diff --git a/.github/workflows/gcc-build.yml b/.github/workflows/gcc-build.yml
index 5aff98d195..cd2c0ba70f 100644
--- a/.github/workflows/gcc-build.yml
+++ b/.github/workflows/gcc-build.yml
@@ -1,4 +1,4 @@
-name: GCC
+name: GCC PCH
 
 on:
   push:
@@ -31,5 +31,4 @@ jobs:
       run: |
         cd bin/check_install/bin
         ./authserver --version
-        ./bnetserver --version
-        ./worldserver --version
\ No newline at end of file
+        ./worldserver --version